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| 型号： | NCP3163PWG |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BOOST INV ADJ 16SOIC |
| 标准包装： | 47 |
| 类型： | 降压（降压），升压（升压），反相 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调至 40V |
| 输入电压： | 2.5 V ~ 40 V |
| PWM 型： | 混合物 |
| 频率 - 开关： | 50kHz ~ 300kHz |
| 电流 - 输出： | 3.4A |
| 同步整流器： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽）裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 16-SOIC W |
NCP3163, NCV3163
3.4 A, Step-Up/Down/
Inverting 50-300 kHz
Switching Regulator
The NCP3163 Series is a performance enhancement to the popular
MC33163 and MC34163 monolithic DC ? DC converters. These
devices consist of an internal temperature compensated reference,
comparator, controlled duty cycle oscillator with an active current
http://onsemi.com
16
1
18
NCx3163y
limit circuit, driver and high current output switch. This controller was
specifically designed to be incorporated in step ? down, step ? up, or
voltage ? inverting applications with a minimum number of external
components. The NCP3163 comes in an exposed pad package which
can greatly increase the power dissipation of the built in power switch.
Features
? Output Switch Current in Excess of 3.0 A
? 3.4 A Peak Switch Current
? Frequency is Adjustable from 50 kHz to 300 kHz
? Operation from 2.5 V to 40 V Input
? Externally Adjustable Operating Frequency
? Precision 2% Reference for Accurate Output Voltage Control
? Driver with Bootstrap Capability for Increased Efficiency
? Cycle ? by ? Cycle Current Limiting
? Internal Thermal Shutdown Protection
? Low Voltage Indicator Output for Direct Microprocessor Interface
? Exposed Pad Power Package
? Low Standby Current
? NCV Prefix for Automotive and Other Applications Requiring Site
and Change Control
? These are Pb ? Free Devices
MARKING
DIAGRAMS
16
1
NCx3163yPW
SOIC ? 16W AWLYYWWG
EXPOSED PAD
PW SUFFIX
CASE 751AG
1
18 ? LEAD DFN
1 MN SUFFIX AWLYYWW G
CASE 505 G
NCx3163y = Specific Device Code
x = P or V
y = blank or B
A = Assembly Location
WL = Wafer Lot
YY = Year
18
8
-
+
Current
Limit
9
WW = Work Week
G or G = Pb ? Free Package
(Note: Microdot may be in either location)
V in
C in
+
7
6
V CC
Oscillator
10
11
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 18 of this data sheet.
5
4
Thermal
V CC
R
S
Q
12
13
*For additional information on our Pb ? Free strategy
and soldering details, please download the
ON Semiconductor Soldering and Mounting
Techniques Reference Manual, SOLDERRM/D.
3
14
2
1
+
+
+
+
-
15
16
LVI
-
V CC
V out
(Bottom View)
Figure 1. Typical Buck Application Circuit
? Semiconductor Components Industries, LLC, 2010
April, 2010 ? Rev. 7
C O
1
+
Publication Order Number:
NCP3163/D
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